A method to monitoring gastrointestinal diseases, a new type of video-telemetry capsule that is swallowed and journeys down the gastrointestinal tract while transmitting images . As such, the capsule, 11 mm in diameter and 30 mm long, i.e. about the size of a pill, provides a kind of inside view at a rate of two frames per second. Its video images are transmitted using UHF-band telemetry to aerials taped to the body.
